Hockey wife Carrie Underwood on playoffs

Country music superstar and proud hockey wife Carrie Underwood might very well be the busiest woman in music. Her new album, "Blown Away," is out May 1. And when she's not promoting the first single off that record, "Good Girl," Underwood is cheering on her husband, Nashville Predators center Mike Fisher, in the NHL playoffs. Somehow she found time in that busy schedule to "fill in the blanks" with Playbook Sounds: